Simultaneous Nadir Overpasses (SNOs) between METOP-C and LANDSAT-8
TLE Epoch: 2021 7 19.  Predictions up to the next  14.0 days:

     Date     Time(METOP-C) METOP-C Lat/Lon Date Time(LANDSAT-8) LANDSAT-8 Lat/Lon    Distance(km)  Time Diff(sec)
 07/19/2021   22:39:43   (  81.17,-119.12) 07/19/2021   22:39:50  (  81.16,-119.28)    2.86                 7
 07/19/2021   23:30:23   ( -81.18,  48.62) 07/19/2021   23:29:16  ( -81.18,  48.66)    0.71                67
 07/22/2021   18:14:04   (  81.16, -53.09) 07/22/2021   18:14:06  (  81.16, -52.90)    3.27                 2
 07/22/2021   19:04:43   ( -81.18, 115.00) 07/22/2021   19:03:32  ( -81.18, 115.07)    1.19                71
 07/25/2021   12:57:45   ( -81.15,-154.25) 07/25/2021   12:58:57  ( -81.15,-154.23)    0.29                72
 07/25/2021   13:48:24   (  81.17,  13.69) 07/25/2021   13:48:22  (  81.18,  13.83)    2.46                 2
 07/25/2021   14:38:38   ( -81.36,-168.51) 07/25/2021   14:37:24  ( -81.62,-168.82)   29.88                74
 07/28/2021   08:32:06   ( -81.15, -87.88) 07/28/2021   08:33:14  ( -81.15, -87.87)    0.33                68
 07/28/2021   09:22:45   (  81.17,  80.08) 07/28/2021   09:22:39  (  81.17,  80.16)    1.35                 6
 07/31/2021   04:06:25   ( -81.16, -21.15) 07/31/2021   04:07:29  ( -81.16, -21.17)    0.49                64